Buffing and polishing machine.



L. L. PFEIFER..."

urfms AND PoLlsHmG MACHINE. l MfPLICATlGN FILED AUG.l6|-|9l6' v 1,246,996. muted N0v.2o,1917.

'as l y .Wi/mm3; v Y M wi...

UNITED STATES, irrENT ermee.

LEo L, Premsa, or COLUMBUS. 01110:.y AssIeNon 'To-THE JNo.W.jBRoWNMANUFAe- 'reame eo., or commises omo, A CORPORATION cromo.

" BUFIilNG AND PoLIsHiNG MACHINE.

5p eeijeefftionr of Letters Patent.

To allv whom z't may concern:

Be it'known'that LLEo L. PFEIFER, a'eiti-l j 'cooperative relation with the die is a plunger Zenothe United' States, residing at Columbus, in the; county of Franklin and State off Ohio, have invented certain new and use ful Improvements/,in-'Bufng or Polishing ,Machines, of which the following is a speer-f cation;

This inventionrelatesto buiiing or pollshing machines and' is designed particularly .i for" use inpolishingthe"reeeting surfaces of search-lights for 'head-'lights My invention lcontei'ri'plates thefeoiribinaf v tionof a die and plunger capable of relative movementfto `be brought together in arecep taele containing thev proper polishi'ngl-iquid andthen`causing a relative rotation between thedie andplungerfit being, of course, un

derstoodfthatE `the 'reflector is in its oper4 ative position y'loet-vveentlieftwo. l

Another object of' the' present invention resides in so 'arra'ngingy the structure to perpolished as welll as Figure 1 is a viewf'partially in centralverf ytical Section and partially in'elevation show ing my, `improved I type fof polishingmachine, and,

"Figi" 2' is a' Fig. 1.

. In these drawings, ,Ifhave shown aeylinw drieal receptacle 1, which is designed to eon- Atain a die 2. This'` diefmaybemade off-any y convenientmaterial' and I" have Vir'iundf` cement "to be` particularly good," inasmuch as it may bereadilyshaped. j This die'is 'proF Avided with acentr'alV concavity shown at'j 3 ofa si'zetoproperlyit' the reiector L#and 'a liner member 5 which latter is"pe'rina'- nently'held in position therein. These lamp.` reflectors, `partieularlythose used in efonnee-* tion with the headlights "of motor vehicles,` are provided with a'ientral aperture in their rear, as is shown at 8 and I have accordingly provided the die and the lining member with a corresponding registering opening, this latteropening being 1n turn in communicapoiisiiingfiie y .A particularly?adaptable 'fori this purpose.

"l Their'eeeptaeletlfislitself securely mounted mit raf-this. fifi y 'my'striieture will. appear from the following*detailedl description ofi the accompanying sheet of drawings, in'v lsection; 'taken through the receptacle as represented .by line 2-2'of-- V yieldingly holdtheydieandfplunger inv enh lippen rintr) the receptacle; Mounted in 'Swhich'iss'haped to correspondingly lit 'the therefi'ector and may be made of h-'Iwill vresist the action of the diiim. .I-have found lead to be upongfa shaft 9whichsha=ft`is slidably mounted*w-ithina"bearingportion 10 `o" the base ori supporting structuiefllz In `order that die and:l plunger Imay kbe moved together oo Ierativei relation, L have yextended the Qnsiderabledistazne beneathther base. .'11 4-have?pivotal'ly. eonn'et'ed a Tiempo@'endefaiiisiinkfis pivoiniiy connested, asshownfet llfytoonearm of a bell 16. Theuistandiligvlriiiof'this bell crank vis provide justablyrearriesarounterweight .18 at its rear-fendi the," eounterweigh tf itself being ad-V justa'ble byfmeansofthe Tsetuscrew Shown at 19. In..Fig.`f 1',`.theifeoeptacletisfshown in its inoperative* position' -in'full'lines and in its operative"flpo'sitionf'iin-dottedI lines, the corrrespondingpositionsbeing `indicated in simi- Thus,

lar '1i nes for' theremaining structure.' when the rearwardly:,extendngvrod 17 carryingv theeOUnterJWeight' 18 is grasped and lowered towtheWposition 'shown in broken 1] ines, the receptacle-will he elevated to bring .thevh'eadf-'Suinto bearingfengagement with the refie'ctorflocated-- Within the die 2.

y teifbeing alsoV pivotally mountcdft'otliefbaseiiieinber, asis shown at This i Patenteaivev. 2o, i917.

t' lower'fend, as is shown at 13.

counter-weight isilpieferiibiy adjusted to upl'ierV endV ofuvhieh f the-bevel gear 24 is sef 4i igidlylseei'ired to the l signed tomesh inv therhearingi'iportion 22. Thus; after the nection ywith the drive shaft, will cause the polishing action. y

As is shownin Fig. 2, the reflector l is provided with a rim portion 28 which is notched out at a plurality of points, as shown at 29. The liner member 5 is provided with a correspondin set of lugs '30 designed to seat themselves in these notchedu out portions to thereby prevent 'the rotation of the reflector during the polishing action.

The operation of my machine is as follows: The receptacle l. is iilled to the desired level with the polishing material, such as einery dust andY water. The retlector 4l is then placed in its position upon the .liner 5 so that the notched-out portions 29 engage the vlugs 30 to prevent its rotation.. The arm 17 is then grasped and moved to the position shown `in dotted lines in Fig. l.,

'whereby the plunger and head' are brought into contacting engagement, but this engagement is slightly yielding. The rotation of the line shaft causes the rotation of the head 8 through the gear connection 2e sind 25 and because of the speed at which the head 8 lrotates, the water betweenthedie! and.

plunger will be correspondingly rotated and thrown laterally by the action of centrifugal force and this in turn causes a circulation of this water through the passages 7 and the opening 6 in the bottom'of the reflector. lt follows, therefore, that the required supply of new emery to facilitate the polishing pensate for this, the holding action between the die and plunger has been made yielding by virtue of the counterweight 18 and thus, as the head 8 is built up, the receptacle sind die will be automatically retracted.

From the foregoing description, it will be apparent that l have provided a machine which is capable of mechanically polishing the reflecting surfaces of these reflectors and that this polishing,r is accomplished in such manner that all surfaces operated upon, will present the same degree of brilliancy. Should there be a number of these machines arranged side byside to constitute a battery and further, should it bc desired to stop the operation of one of them the set screw 27 may bc loosened from the gear 25 and this rear moved sidewisc to an inoperative position; T his will prevent the operation of this machine and permit the remainder to continue.

'What'. l claim, is.

1. A polishing; machine of the character described'"comprising a receptacle adapted to contain a polishing liquid, a die :in said release receptacle, a plunger, means for relatively moving the die and plunger' to bring them together, and means :tor causing a relativa rotation between said die and plunger when together, means for causing a relative' rota`` tion between said die and plungerwhcn the. tivo are together, and means whereby a ciru culation of polishing liquid may be estab,-

lished between the die and plunger phone they are together.

3. A polishing machine of the characterv tek described comprising),` a receptacleadaptedto contain a polishing liquid, a die in Asind 're-j,r

ceptocle, a plunger, means for relat'iirely'l moving; said die and plunger to bringtheni',

y hold them together,

together and yielding and ineensv orvcausing 'a relative rotation between said die and plunger whenthe two are together and in the liquid.

p 4l. A. polishing machine of contain a polishing' liqui a concave die therein having passages leudinglroni the." concavty into said. receptacle, a plunger, means .for relatively moving said die and plunger to bring: them together, andrmeans for causing a relativo rotation between said die and plunger when the two 'are together,

5. A polishing` machine of the character,v

described comprising a die, av plunger, means foi-relatively moving saidl die and plunger to bring` them together, means 'for causing e. relative rotation between said die andplunger when they are together, and meansl the cliaracter i* described comprising a receptacle adapted-to..

'.lllllA whereby a circulation of polishing liquid.

may be maintained between the die and plunger when they are together with the re- Hector between them.

G. A polishing machine of the character described comprising a die,'a plunger, means for relatively moving said die and plunger to bring them together, means for causing a relative rotatioi'l between said die and pluri;

Ulli

lill

gm' when. they are together, means whereby; 'e

a circulation of polishing liquid may be maintained between 'the die and plunger LEO L. PFEl'llR. lfwfitnesses Wirren E. L. Boon, A. L. Printers.

iis when they are together with a reflector beo 

